Ethical Consulting, management homework help

A company that needs help with implementing a process you have little familiarity with has contacted you. Although you could most likely learn it, you would not be a subject matter expert in the period in which they need you. You are certain you could learn the process and could use the extra income, as your consulting has been a little slow. What are the implications for deciding not to take the assignment? What are the implications for taking the assignment? What would you do and why?